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• CommentRowNumber1.
• CommentAuthorUrs
• CommentTimeJan 18th 2018
• (edited Jan 18th 2018)

I have given multigraph its own little entry, so that I can point to it (from discussion of Feynman diagrams).

• CommentRowNumber2.
• CommentAuthorUrs
• CommentTimeJan 18th 2018
• (edited Jan 18th 2018)

for completeness I have also given pseudograph its own little entry. Cross-linked (with graph, of course, and) with quiver.

• CommentRowNumber3.
• CommentAuthorUrs
• CommentTimeJan 18th 2018

I am using this in writing a detailed account of the concept of Feynman diagrams at S-matrix: here.

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